Home / 28,620.06-39,495.78-16,044

Finding the Fourth Proportional to 28,620.06, 39,495.78 and 16,044

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Solution

The fourth proportional to 28,620.06, 39,495.78 and 16,044 is: 22,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.06 : 39,495.78 = 16,044 : x
  2. Step 2: Convert to fraction form
    28,620.06/39,495.78 = 16,044/x
  3. Step 3: Cross multiply
    28,620.06x = 39,495.78 × 16,044
  4. Step 4: Simplify right side
    28,620.06x = 633,670,294.32
  5. Step 5: Solve for x
    x = 633,670,294.32/28,620.06
  6. Step 6: Final answer
    x = 22,140.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.